A double layer light emitting device is reported which based on a triphenylamine-containing PPV with sandwiched structure of ITO/polymer/Alq3/Mg: Ag/Ag.报道了一种共轭主链结构三苯胺PPV聚合物发光二极管,器件结构ITO/ploymer/Alq_3/Mg:Ag/Ag。

A double layer Permeable Reactive Barrier (PRB) experiment was designed to study the feasibility of in-situ remediation of groundwater contaminated by landfill leachate.设计了双层结构可渗透反应屏障(PRB),对渗滤液污染地下水原位处理的可行性进行实验研究。